Pop music's Clapton (4)
I believe the answer is:
eric
(Other definitions for eric that I've seen before include "---- Cantona, Manchester Utd favourite of the 1990s" , "Great Norwegian explorer .... the Red" , ".... the Red, Norwegian explorer who discovered Greenland in 10th century" , "Rice turned for the boy" , "- the Red, discoverer of Greenland" .)